Specifications
- Brand
- Cometic Gasket
- Part #
- C9821
- UPC
- 191070449094

Cometic 1884+ Harley-Davidson 3 5/8 Big Twin .020in Copper Base Gasket - 2 Pack
$41.12
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Cometic Gasket copper base gasket, .020in thick. Part# C9821. Direct fit.
Key Features
- Fits Harley-Davidson 3 5/8 Big Twin engines.
- Copper base gasket construction.
- Gasket thickness is .020 inches.
- Comes as a 2-pack.
- Designed for reliable engine sealing.
Product Details
Cometic Gasket is known for making reliable engine sealing solutions. This 3 5/8 Big Twin copper base gasket is a prime example, designed to ensure a solid seal for your Harley-Davidson engine. It's built with a copper base, a material that handles heat well and can conform to sealing surfaces for a tight fit. This particular gasket is .020 inches thick, which is a common size for engine rebuilds or modifications where a slight adjustment in compression ratio or deck height is needed. You get a pack of two, so you'll have a spare or be ready for the next job.
The copper base offers good thermal conductivity, helping to dissipate heat away from the sealing surface. This can be important in high-performance applications or when dealing with the heat generated by a large displacement V-twin. Having a well-sealed engine is crucial for performance, fuel efficiency, and preventing oil or combustion leaks that can cause serious damage. This gasket kit is a well-built option for Harley-Davidson Big Twin owners looking for a dependable seal.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C9821
- UPC
- 191070449094
Frequently Asked Questions
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Cometic 1884+ Harley-Davidson 3 5/8 Big Twin .020in Copper Base Gasket - 2 Pack



